2100022221986 has 24 divisors (see below), whose sum is σ = 3444099235200. Its totient is φ = 959830902576.

The previous prime is 2100022221971. The next prime is 2100022222009. The reversal of 2100022221986 is 6891222200012.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30125786 + ... + 30195413.

It is an arithmetic number, because the mean of its divisors is an integer number (143504134800).

Almost surely, 2^{2100022221986} is an apocalyptic number.

2100022221986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2100022221986 is a deficient number, since it is larger than the sum of its proper divisors (1344077013214).

2100022221986 is a wasteful number, since it uses less digits than its factorization.

2100022221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60321330 (or 60321317 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

Adding to 2100022221986 its reverse (6891222200012), we get a palindrome (8991244421998).

The spelling of 2100022221986 in words is "two trillion, one hundred billion, twenty-two million, two hundred twenty-one thousand, nine hundred eighty-six".